Scheduling with time clock controls turns lights on and off, sets lighting levels for different times of day and changes the lighting profile for after-hours mode. More sophisticated systems also respond to signals sent from external control devices such as sensors or switches.
Paraffin wax is a solid form of paraffin, a specific type of alkane hydrocarbon. It is used in a wide range of everyday applications, most notably in common candles. This wax also sees a great deal of use in industrial applications, and it is present in everything from the Lunar Rover to drywall.araffin wax is a solid form of paraffin, a specific type of alkane hydrocarbon. It is used in a wide range of everyday applications, most notably in common candles. This wax also sees a great deal of use in industrial applications, and it is present in everything from the Lunar Rover to drywall.
Photo Credit: Alexander Dubovitskiy via Getty Images. You may have seen women dipping their hands or feet into an opaque white or pink substance at the nail salon and wondered what the heck that was about. The liquid is actually paraffin wax, which is commonly used in beauty products to soften and smooth skin. Paraffin comes in many forms and is a type of mineral oil often found in face creams and body lotions. Paraffin is used in beauty products because it is a less expensive way to make skin feel moisturized.